Ofensteuerung/esphome/ofensteuerung.yaml

# Ofensteuerung auf der Platine pcb/ (v1.0)
#   D0/GPIO16 Relais K1 (230-V-Pumpe, Schließer)  - Thermostat an J4 liegt parallel zum Kontakt
#   D1/GPIO5 SCL, D2/GPIO4 SDA -> ADS1115 (0x48): A0-A1 = Stromwandler ZMCT103C (Bürde 100 R, Mitte 1,65 V)
#   D5/GPIO14 SCK, D6/GPIO12 SO, D8/GPIO15 CS -> MAX6675 (Abgas, Thermoelement Typ K)
#   D4/GPIO2  1-Wire, 3x DS18B20 (J5-J7, 4k7 Pull-up)
#   TX/GPIO1  Servo MG996R (Zuluftklappe, 330 R in Serie; kein Boot-Pin, logger baud_rate 0)
#   D7/GPIO13 PWM-Pumpe (Transistorstufe wie Umwälzpumpe), RX/GPIO3 Rückmeldung
#   frei auf J10: A0, D3/GPIO0 (Boot-Pin), ADS1115 A2/A3
substitutions:
  name: ofensteuerung

esphome:
  name: ${name}
  friendly_name: Ofensteuerung

esp8266:
  board: d1_mini
  restore_from_flash: true

logger:
  level: INFO
  baud_rate: 0               # RX/GPIO3 = Rückmeldung PWM-Pumpe

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  reboot_timeout: 15min
  ap:
    ssid: "Ofensteuerung Fallback"

captive_portal:

api:
  reboot_timeout: 0s
  encryption:
    key: !secret api_key

mqtt:
  broker: 192.168.179.24
  port: 1883
  username: ramiro
  password: !secret mqtt_password
  topic_prefix: gunter/ofensteuerung
  reboot_timeout: 0s
  discovery: true
  log_topic: null
  birth_message:
    topic: gunter/ofensteuerung/status
    payload: online
  will_message:
    topic: gunter/ofensteuerung/status
    payload: offline

ota:
  - platform: esphome
    password: !secret ota_password

web_server:
  port: 80

i2c:
  sda: GPIO4                 # D2
  scl: GPIO5                 # D1
  scan: true
  frequency: 400kHz

spi:
  clk_pin: GPIO14            # D5
  miso_pin: GPIO12           # D6

one_wire:
  - platform: gpio
    pin: GPIO2               # D4

ads1115:
  - address: 0x48
    continuous_mode: true

# ---------------- Pumpe 230 V ----------------
switch:
  - platform: gpio
    pin: GPIO16              # D0 -> BC546B -> K1
    name: "Pumpe Relais"
    id: pumpe_relais
    restore_mode: RESTORE_DEFAULT_OFF
    icon: mdi:pump

# ---------------- Luftklappe (Servo MG996R) ----------------
output:
  - platform: esp8266_pwm
    id: klappe_pwm
    pin: GPIO1               # TX (Servo; UART aus, logger baud_rate: 0)
    frequency: 50 Hz
  - platform: esp8266_pwm
    id: pump_pwm
    pin: GPIO13              # D7
    frequency: 1000 Hz
    inverted: false          # Stufe invertiert: Klemmen-Duty = 1 - power (VTS/AMG Profil H)
    min_power: 0.16
    max_power: 0.93
    zero_means_zero: true

servo:
  - id: klappe_servo
    output: klappe_pwm
    min_level: 3%            # ~0,6 ms  -> ggf. an Klappenanschlag anpassen
    max_level: 12%           # ~2,4 ms
    transition_length: 4s
    auto_detach_time: 3s     # danach kein Haltestrom/Brummen; Klappe hält per Getriebe

number:
  - platform: template
    name: "Pumpe Faktor W pro A"
    id: pumpe_w_pro_a
    min_value: 50
    max_value: 230
    step: 1
    initial_value: 115
    optimistic: true
    restore_value: true
    entity_category: config
    icon: mdi:tune
  - platform: template
    name: "Luftklappe"
    id: luftklappe
    unit_of_measurement: "%"
    min_value: 0
    max_value: 100
    step: 1
    optimistic: true
    restore_value: true
    initial_value: 50
    icon: mdi:valve
    set_action:
      - servo.write:
          id: klappe_servo
          level: !lambda 'return x / 50.0f - 1.0f;'   # 0..100 % -> -1..+1

# ---------------- PWM-Pumpe (optional) ----------------
fan:
  - platform: speed
    output: pump_pwm
    name: "PWM-Pumpe"
    id: pwm_pumpe
    restore_mode: RESTORE_DEFAULT_ON

sensor:
  # Pumpenstrom über ZMCT103C: 1 A primär = 1 mA sekundär = 100 mV an der Bürde
  - platform: ads1115
    multiplexer: A0_A1
    gain: 0.256              # +-256 mV -> bis ca. 1,8 A eff.
    id: ct_spannung
    sample_rate: 860
    update_interval: never
    internal: true
  - platform: ct_clamp
    sensor: ct_spannung
    name: "Pumpe Strom"
    id: pumpe_strom
    sample_duration: 400ms
    update_interval: 5s
    unit_of_measurement: A
    accuracy_decimals: 3
    filters:
      - multiply: 10.0       # V an 100 R -> A primär
      - lambda: 'return x < 0.015f ? 0.0f : x;'
  - platform: template
    name: "Pumpe Leistung (geschätzt)"
    unit_of_measurement: W
    device_class: power
    accuracy_decimals: 0
    update_interval: 5s
    # Wirkleistung = Strom x Faktor (W/A). Faktor einmal mit Shelly einmessen: Shelly-Watt / "Pumpe Strom".
    # Ohne Einmessung 230 V x cos phi 0,5 (typisch für EC-Hocheffizienzpumpen ohne PFC).
    lambda: 'return id(pumpe_strom).state * id(pumpe_w_pro_a).state;'

  - platform: max6675
    cs_pin: GPIO15           # D8 (10k Pull-down auf der Platine)
    name: "Abgastemperatur"
    id: abgas
    update_interval: 5s
    filters:
      - sliding_window_moving_average: {window_size: 3, send_every: 1}

  # DS18B20 an J5/J6/J7 (ein Bus). Nach dem ersten Start die Adressen aus dem Log eintragen
  # und index durch address: 0x... ersetzen, sonst können die Fühler die Reihenfolge tauschen.
  - platform: dallas_temp
    name: "Temperatur 1"
    index: 0
    update_interval: 10s
  - platform: dallas_temp
    name: "Temperatur 2"
    index: 1
    update_interval: 10s
  - platform: dallas_temp
    name: "Temperatur 3"
    index: 2
    update_interval: 10s

  - platform: duty_cycle
    pin:
      number: GPIO3          # RX
      mode: INPUT
    name: "PWM-Pumpe Rückmeldung"
    update_interval: 5s
    accuracy_decimals: 0

  - platform: wifi_signal
    name: "WLAN Signal"
    update_interval: 60s
  - platform: uptime
    name: "Uptime"

binary_sensor:
  - platform: template
    name: "Pumpe läuft"
    device_class: running
    lambda: 'return id(pumpe_strom).state > 0.03f;'
  - platform: template
    name: "Pumpe läuft über Thermostat"
    lambda: 'return id(pumpe_strom).state > 0.03f && !id(pumpe_relais).state;'
  - platform: template
    name: "Pumpe Störung"          # Relais an, aber kein Strom (Sicherung, Pumpe, Kabel)
    device_class: problem
    lambda: 'return id(pumpe_relais).state && id(pumpe_strom).state < 0.03f;'
    filters:
      - delayed_on: 20s
  - platform: status
    name: "Status"